PHP code example of gregwar / formidable

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

gregwar / formidable example snippets

session_start();
rse the form and use it to check integrity
// on the server-side
$form = new Gregwar\Formidable\Form('forms/example.html');

$form->handle(function() {
    echo "Form OK!";
}, function($errors) {
    echo "Errors: <br/>";
    foreach ($errors as $error) {
        echo "$error<br />";
    }
});

echo $form;

// Will set the value of the field
$form->name = "Bob";

// Will get the value of the field
$name = $form->name;

// Adds a constraint on the name
$form->addConstraint('name', function($value) {
    if (strlen($value) < 10) {
        return 'Your name should be at least 10 characters!';
    }
});

// Adds a constraint on the whole form
$form->addConstraint(function($form) {
    if ($form->getValue('pass1') != $form->getValue('pass2')) {
        return 'The passwords are different';
    }
});

// Will set the language to french for errors
$form->setLanguage(new Gregwar\Formidable\Language\French);

$form->source('colours', array('red', 'yellow', 'blue'));

$form = new Gregwar\Formidable\Form('<form method="post">
    <select name="colour">
        <option value="blue">Blue</option>
        <option selected value="red">Red</option>
        <option value="green">Green</option>
    </select>
    </form>');

echo $form->getValue('colour') . "\n";
// red

// Sets the color to blue
$form->setValue('colour', 'blue');

echo $form;
/* Will display:
<form method="post">
    <select name="colour" >
        <option selected="selected" value="blue">Blue</option>
        <option value="red">Red</option>
        <option value="green">Green</option>
    </select>
    <input type="hidden" name="posted_token" value="d293dc38017381b6086ff1a856c1e8fe43738c60" />
</form>
*/

class Person
{
    protected $name;
    public function getName() { return $this->name; }
    public function setName($name) {
        $this->name = $name;
    }
}

$person = new Person;
$person->setName('Jack');

$form = new Gregwar\Formidable\Form('<form method="post">
    <input type="text" name="name" mapping="name" />
    </form>');

$form->setData($person);

echo $form;
/*
Will output something like:

<form method="post">
    <input 

$form = new Gregwar\Formidable\Form('<form method="post">
    Hello {{ name }}!
    </form>');

$form->setPlaceholder('name', 'Bob');

echo $form;

$form = new Gregwar\Formidable\Form('<form method="post">
    <span style="color:{{ color }}">Hello</span>
    </form>');

$form->setPlaceholder('color', 'red');

echo $form;

<form>
     echo $label; 

$form = new Gregwar\Formidable\Form('the-above-form.php', array('label' => 'Your name'));

/**
 * Parsed data for the form will be serialized and stored in a cache file,
 * if you use this form often, this will offer you better performances.
 */
$form = new Gregwar\Formidable\Form('form.html', null, true);